Apparatus for and method of driving motor to move object at...

Details Apparatus for and method of driving motor to move object at... Apparatus for and method of driving motor to move object at...

2005-09-27

2005-09-27

Masih, Karen (Department: 2837)

Electricity: motive power systems

Linear-movement motors

C318S560000, C318S687000

Reexamination Certificate

active

06949896

ABSTRACT:
A drive control method includes detecting an angular displacement of a rotor driven by a pulse motor, calculating a difference between the detected angular displacement and a preset target value of the angular displacement, and calculating a drive pulse frequency of a drive pulse signal used to drive the pulse motor. The pulse motor is driven by the drive pulse signal having the drive pulse frequency to allow the rotor at a constant angular velocity.

REFERENCES:
patent: 5325028 (1994-06-01), Davis
patent: 5736822 (1998-04-01), Mitarai et al.
patent: 5757149 (1998-05-01), Sato et al.
patent: 2003/0097193 (2003-05-01), Makino et al.
patent: 2003/0128999 (2003-07-01), Bessho et al.
patent: 2754582 (1998-03-01), None
patent: 2000-47547 (2000-02-01), None

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